help me fix my computer

Feb 10, 2019
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hello i am 15 years old and i have a problem whit my computer.

my pc is old but its a good pc. it happend abute a month ago that when i start a game like fortnite, heartstone, rust and all my game that when i move my mouse left to right the fps goose to 140 to 25 in instant and sometime chrashes. it never happend before and I cant get rid off it
and i tride to reinstall the drivers on my gpu.
my specs is
windows 10
i7 3770 3.4 ghz
gigabyte technology h77m-dh3
ddr3 8 gig dual 665. 1 MHz
nvidia geforce gtx 970 msi core 135 mhz gddr5 memory 4096 mbytes
coolermaster g750m psu
evo 850 250 g
1 terabyte segate barracuda


 

mgallo848

Commendable
Download software that will let you monitor your CPU and GPU temperatures.

Free monitoring software, MSI Afterburner:
https://www.msi.com/page/afterburner

Once you have that installed, you can go into it's settings and tell it to display the CPU and GPU temps, usage fan speed on the screen.

Download a free video card test here:
https://benchmark.unigine.com/heaven

Run that test while keeping an eye on the temps and report back.